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Precipitation and Galaxy Evolution

Event Dates:

Seminar Location:

Speaker Name(s):

Megan Donahue

Speaker Affiliation(s):

Michigan State University

Seminar Type/Subject

Scientific Seminar Type:

Astrophysical & Planetary Sciences Colloquia

Event Details & Abstract:

In massive galaxies and in clusters of galaxies, the thermodynamic state of the circumgalactic gas seems to regulate whether or not star formation is occurring in the central galaxy. I will discuss the observational evidence for this claim. I will also discuss implications for lower mass galaxies if regulation via precipitation triggering plays an important role in those galaxies as well. Physical predictions of this model will be presented.

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